Question: The quadratic equation x^2-2kx+(k-1)=0 has roots α and β such that α^2+β^2=4. Without solving the equation, find the possible values of the real number…

Question: Given f(x) = e^(Kx)+x and f’0 =-8 . Find k Answer: Thank you for sending your question! Given f(x)=e^(kx) +x and f'(0)= -8 Let…

Question: Video games sold: x Revenue function: R(x) = 60x Cost function: C(x) = 12 + 7x Profit function: P(x) = Choices are: 67x+12,…

Find all the ways you can use exactly 50 coins to make a change for a dollar 1.00 bill. Solution:- Given that we can use…

Two pipes can fill a tank in 76 minutes if both are turned on. If only one is used, it would take 27 minutes longer…

The sum of two integers is 704 and the larger number is 11 more than 8 times the smaller number. Find the two integers. Detailed…

A grocer wants to mix two kinds of coffee. One kind sells for 1.45 per pound, and other sells for 2.20 per pound. He wants…

Question:18,355 is invested,part at 13% and the rest at 7%.If the interest earned from the amount invested at 13% exceeds the interest earned from the…

Question: Betty invested some money at 15% interest. Betty also invested more than 2 times that amount at 13%. How much is invested at each…